<template>
  <div>
    <!-- 导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <!-- 搜索与添加 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @change="getUserList"
          >
            <el-button slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>

      <!-- 用户列表 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template v-slot:default="slotProps">
            <el-switch
              v-model="slotProps.row.mg_state"
              @change="userStateChange(slotProps.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template v-slot:default="slotProps">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(slotProps.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(slotProps.row.id)"
            ></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top">
              <el-button
                type="warning"
                icon="el-icon-edit"
                size="mini"
                @click="showSetRoleDialog(slotProps.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total,sizes,prev,pager,next,jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取消</el-button>
        <el-button @click="addUser">确定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <!-- 主体区域 -->
      <el-form
        :model="editForm"
        :rules="addFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取消</el-button>
        <el-button @click="editUserInfo">确定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <!-- 主体区域 -->
      <div>
        <p>当前用户：{{ userInfo.username }}</p>
        <p>当前角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取消</el-button>
        <el-button @click="saveRoleInfo">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) return cb();

      cb(new Error("请输入合法的邮箱"));
    };

    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      userlist: [],
      total: 0,
      addDialogVisible: false,
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名长度在3~10个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "密码长度在6~15个字符", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [{ required: true, message: "请输入电话", trigger: "blur" }],
      },
      editDialogVisible: false,
      editForm: {},
      setRoleDialogVisible: false,
      userInfo: {},
      rolesList: [],
      selectedRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status != 200)
        return this.$message.error("获取用户列表失败");
      this.userlist = res.data.users;
      this.total = res.data.total;
      console.log(this.userlist);
      console.log(this.total);
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    async userStateChange(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status != 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("更新用户状态成功！");
    },
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status != 201) return this.$message.error("添加用户失败");
        this.$message.success("添加用户成功！");
        this.addDialogVisible = false;
        this.getUserList();
      });
    },
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status != 200)
        return this.$message.error("查询用户信息失败");
      this.editForm = res.data;
      console.log(this.editForm);
      this.editDialogVisible = true;
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status != 200)
          return this.$message.error("修改用户信息失败");
        this.$message.success("修改成功！");
        this.editDialogVisible = false;
        this.getUserList();
      });
    },
    removeUserById(id) {
      this.$confirm("是否确认删除该用户？", "提示", {
        confirmButtonText: "确定",
        cancleButtonText: "取消",
        type: "warning",
      })
        .then((res) => {
          if (res == "confirm") {
            this.$http
              .delete("users/" + id)
              .then((res) => {
                this.$message.success("删除用户成功！");
                this.getUserList();
              })
              .catch((err) => {
                this.$message.error("删除用户失败");
              });
          }
        })
        .catch((err) => err);
    },
    async showSetRoleDialog(userInfo) {
      this.userInfo = userInfo;
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status != 200)
        return this.$message.error("获取角色列表失败");
      this.rolesList = res.data;
      console.log(this.rolesList);
      this.setRoleDialogVisible = true;
    },
    async saveRoleInfo() {
      if (!this.selectedRoleId)
        return this.$message.error("请选择要分配的角色");
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      );
      if (res.meta.status != 200) return this.$message.error("更新角色失败");
      this.$message.success("更新角色成功！");
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    setRoleDialogClosed() {
      this.selectedRoleId = "";
      this.userInfo = {};
    },
  },
};
</script>

<style lang="less" scoped>
</style>